Pelin - the most commonly used, simple expressions are denoted (identified) by an asterisk (*):
I owe someone a sum of money.
- I owe someone some money. *
- I owe someone money. *
- I owe some money to someone.
- I owe money to someone. *
- I'm financially indebted to someone.
I wish to be free of my debt to him.
- I want to pay off my debt to him. *
- I want to pay him back. *
- I want to clear my debt with him.
- I want to pay him off in full.
- I want to pay off the debt. *
- I no longer wish/want to be indebted to him.